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(11)

EP 2 208 309 A1

(12)

(43) Date of publication: 21.07.2010 Bulletin 2010/29 (21) Application number: 07843624.3 (22) Date of filing: 01.10.2007

(51) International Patent Classification (IPC):  H04L 12/18(2006.01) H04L 29/06(2006.01) H04M 3/56(2006.01) (86) International application number: PCT/US2007/080100 (87) International publication number: WO 2009/045207 (09.04.2009 Gazette 2009/15)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (71) Applicant: Hewlett-Packard Development Company, L.P. Houston, TX 77070 (US)

(72) Inventors: BEERS, Ted W. Corvallis Oregon 97330 (US) DEROCHER, Michael D. Corvallis Oregon 97330 (US) ALLEN, Brad Corvallis Oregon 97330 (US) BREWSTER, Jon A. Corvallis Oregon 97330 (US) GORZYNSKI, Mark E. Corvallis Oregon 97330 (US) GRASLEY, Scott D. Corvallis Oregon 97330 (US) (74) Representative: Hutchinson, Glenn Stanley  Harrison Goddard Foote Fountain Precinct Balm Green Sheffield S1 2JA Sheffield S1 2JA (GB)